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Author(s): Shan Gao | Seik Weng Ng

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 68;
Issue: 8;
Start page: o2472;
Date: 2012;
Original page

The two aromatic rings of the title compound, C11H11N3O, are nearly perpendicular to one another, with a dihedral angle between their planes of 80.52 (18)°. In the crystal, the amino N atom is a hydrogen-bond donor to the pyrazine N1 atom of an inversion-related molecule and the hydroxy O atom is a hydrogen-bond donor to the pyrazine N4 atom of another molecule. The two hydrogen bonds lead to the formation of a helical chain that runs along the b axis.

Tango Jona
Tangokurs Rapperswil-Jona

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